中国科学院数学与系统科学研究院期刊网
Stancu Polynomials Defined on a Simplex and Best Polynomial Approximation
Fei Long CAO(1),Zong Ben XU(2)
Acta Mathematica Sinica, Chinese Series . 2003, (1): 189 -196 .  DOI: 10.12386/A2003sxxb0026